A stenosis produces a high-speed jet in a vessel. The maximum velocity of RBCs in the stenosis is 80 cm/sec. Find the minimum PRF that must be used to avoid aliasing for pulsed Doppler at 7.5 MHz. Assume that the angle of sonation is 0 degrees.

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Q: Assume the helium–neon lasers commonly used in student physics laboratories have power outputs of…

A: The given data are: P=0.51 mW=0.51×10-3 Wr=1 mm2=0.5 mm=0.0005 m Here, P and r represent the power…

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A: Note: As per Bartleby Guidelines, only first question will be answered. Please upload the second…

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Q: x(t) = 8 cos (27200t – ). Determine the following: (a) Period in Milliseconds: (b) Sampling rate to…

A: As per our company guidlines we are supposed to answer only first-Three, Sub-parts. Kindly repost…

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Q: Write your understanding about coherent waves. A taut string for which u = 5.00 × 10² kg/m is under…

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A: Given: V = 20 sin (103t) mV = 0.02 sin(103 t) VA = 10 cm2=10*10-4 m2d =2 mm = 2*10-3 m

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Q: A small rocket of mass 10 kg emits an intense light beam for propulsion. What must be the minimum…

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Q: (a) Certain ocean waves travel with a phase velocity Vp=V(gv27), where g is the acceleration due to…

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Q: A pulse radar is used to detect a target with an area of 10 m2 located at a distance of 120 km. If…

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Q: 01: The attenuated average output power of a pulsed Ti:sapphire laser beam is 1 mW of the pulse…

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Q: Frank D. Drake, an investigator in the SETI (Search for Extra-Terrestrial Intelligence) program,…

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Q: With a 670.00 Hz tuning fork, you measure a distance of  15.00 ± 2 cm between adjacent nodes. If the…

A: in this question  we use simple velocity equation with frequency and wavelength.

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A: The transmission line width of the He-Ne laser is 1500MHz. Width of the pattern stabilize pulse=?

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Q: Determine ψ∗ψ for the following wave functions: a) ψ(θ) = sin θ + icosθ b) ψ(x) = eiax

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Q: Why is SMF faster than MMF over large distances

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Q: Light waves travel in a vacuum at a speed of 300,000 km/s. (a) The frequency of the longest visible…

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Q: Q.1 Suppose that a cruise missile under test is moving horizontally at M= 2 in the atmosphere at an…

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Q: Project Seafarer was an ambitious program to construct an enormous antenna, buried underground on a…

A: a) frequency = 0.0314 Hz or s-1 b) period of radiation emitted = 31.85 s

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Q: When aligning one of the antennas, it was found that the standing wave ratio is 1.2 VSWR, which…

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Q: At a distance of 25m from an isotropic 100 MHz radio source the intensity is 120W/m2 (a) What is…

A: The data given is as follows, 1. Distance between source and surface, d=25 m 2. Frequency, f=100 MHz…

Q: What is the wavelenth of the waves from a radion station tht broadcasts at 107.1 MHZ?

A: Given data: A radio wave Frequency (f) = 107.1 MHz = 107.1×106 Hz Required: Wavelength (λ)

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Q: • An AM radio station’s antenna is constructed to be l>4 tall,where l is the wavelength of the…

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Q: What is the Doppler-shifted wavelength of a red (660 nm) traffic light approached at 65 m.p.h.? At…

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Q: What is the minimum angular spread of a 633-nmwavelength He-Ne laser beam that is originally 1.00 mm…

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Q: a (t) = 1 + 4 sin(43.98t) + 7sin(100.53t) in gravity acceleration (g) value. What is the minimum…

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Q: Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of…

A: Given  Power output of lasers = 0.250 mW  Diameter = 2.0 mm Redius = diameter/2 Redius = 1 mm